On Fri, 2007-09-28 at 09:52 -0400, Mark Lord wrote: > We need to disable all CPUs other than the boot CPU (usually 0) > before attempting to power-off modern SMP machines. > This seems to fix the hang-on-poweroff issue > that one of my SMP boxes exhibits. More testing required. > > Signed-off-by: Mark Lord <[EMAIL PROTECTED]>
Fixes my new toybox as well. Thanks for tracking it down before I had to dig in. Acked-by: Thomas Gleixner <[EMAIL PROTECTED]> > --- > > --- linux/kernel/sys.c.orig 2007-09-13 09:49:11.000000000 -0400 > +++ linux/kernel/sys.c 2007-09-28 09:48:54.000000000 -0400 > @@ -32,6 +32,7 @@ > #include <linux/getcpu.h> > #include <linux/task_io_accounting_ops.h> > #include <linux/seccomp.h> > +#include <linux/cpu.h> > > #include <linux/compat.h> > #include <linux/syscalls.h> > @@ -879,6 +880,7 @@ > if (pm_power_off_prepare) > pm_power_off_prepare(); > sysdev_shutdown(); > + disable_nonboot_cpus(); > printk(KERN_EMERG "Power down.\n"); > machine_power_off(); > } > - > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in > the body of a message to [EMAIL PROTECTED] > More majordomo info at http://vger.kernel.org/majordomo-info.html > Please read the FAQ at http://www.tux.org/lkml/ - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
